Re: [WISPA] 900 antenna question
You hit the nail on the head on the difference Mounting. And then additionally F/B ratio. When it comes to Horizontal 900 120 sectors, options are limited. A 4 ft - 15 wide antenna takes a lot of wind abuse. We use the MTI's occasionally, for low to ground installs. Or where we can mount the antenna to a structure that already has mass to create isolation, like brick penthouses, or when we mount on seperate sides of a hill, and have the dirt help F/B ratios, or when its just a single sector on a thinner pole. But when we go up on a tower, I'd never take a chance with one of the hose clamp mounts, its not worth the liability at 300 feet up. For tower mount, where we do three sectors, I only use Tiltek. They have 20db F/B, which is needed for close mounting, and solid mounting hardware for up to 4.5 pole. For around $530 at Winncomm, its the way to go. However, the mount is over engineered, for a simple low to ground mount. Shims are required to attach to 2 pole. So for low to ground, low risk installs, where its easy for inspection, and antennas don;t need to be right on top of each other, its easier and cheaper to just use the MTIs/Teletronics. Depends on the need. The thing to remember is that F/B ratios are generally MAX isolation, not minimum. So when you are doing 120 sectors, the adjacent sectors overlap a bit. With only 3 sectors in 900, its not possible to skip every other channel like 5.8, so antenna isolation becomes a much bigger deal, and how sharp the cut off on edges. What antenna to use, depends on your isolation characteristics that you are mounting to. This is a tiltek \ _ /with two metal fnages to help isolate and have a tight cut off on edges. Here is the MTI..._ Just the panel itself. Which do you think will work better for isolating from the adjacent sector antenna closely mounted on a tower? Here is where I use MTI/ \or \ I Big fat hill I 50 feet of verticle seperation minimum or Penthouse I __ I / Just my opinion. Tom DeReggi RapidDSL Wireless, Inc IntAirNet- Fixed Wireless Broadband - Original Message - From: Mike Bushard, Jr [EMAIL PROTECTED] To: 'WISPA General List' wireless@wispa.org Sent: Wednesday, November 22, 2006 11:41 PM Subject: RE: [WISPA] 900 antenna question Why don't you just get these? MT-243015/NH - 902-928 MHz 11dBi 180° Horizontal Pol. It's made by MTI, the same brand as the Teltronics. We run MTI 120's for all of our Horizontal towers (17 of these antennas deployed total right now). The mount scared me a little though, it is a Cast V (Same style as the Orthogon Radios) and then you secure it with hose clamps. It seems to work well thought. I think the down tilt gauge is kinda cheesy, so we bought a incli-meter from the local tower crew. Mike Bushard, Jr Wisper Wireless Solutions, LLC 320-256-WISP (9477) 320-256-9478 Fax -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Rohrbacher Sent: Wednesday, November 22, 2006 10:24 PM To: WISPA General List Subject: Re: [WISPA] 900 antenna question I don't know but until now the best 180* antenna I can find is the 8dbi from superpass (which I installed today and were crap). This one looks nice. Brian Travis Johnson wrote: Hi, Looks to me like it's about 5db off at 180 degrees. What's the price on this antenna? Travis Microserv Brian Rohrbacher wrote: http://www.teletronics.com/15-404.pdf What would the gain at 180* be on this antenna. I want to make sure I am reading it right. Brian -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] 900 antenna question
Mike Bushard, Jr wrote: Why don’t you just get these? MT-243015/NH - 902-928 MHz 11dBi 180° Horizontal Pol. Who do you buy them from and how much? It's made by MTI, the same brand as the Teltronics. We run MTI 120's for all of our Horizontal towers (17 of these antennas deployed total right now). The mount scared me a little though, it is a Cast V (Same style as the Orthogon Radios) and then you secure it with hose clamps. It seems to work well thought. I think the down tilt gauge is kinda cheesy, so we bought a incli-meter from the local tower crew. Mike Bushard, Jr Wisper Wireless Solutions, LLC 320-256-WISP (9477) 320-256-9478 Fax -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Rohrbacher Sent: Wednesday, November 22, 2006 10:24 PM To: WISPA General List Subject: Re: [WISPA] 900 antenna question I don't know but until now the best 180* antenna I can find is the 8dbi from superpass (which I installed today and were crap). This one looks nice. Brian Travis Johnson wrote: Hi, Looks to me like it's about 5db off at 180 degrees. What's the price on this antenna? Travis Microserv Brian Rohrbacher wrote: http://www.teletronics.com/15-404.pdf What would the gain at 180* be on this antenna. I want to make sure I am reading it right. Brian -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
RE: [WISPA] 900 antenna question
I personally dont run 180's, so I dont know. I think we get our 120's for about 700. We get ours from CTI. Mike Bushard, Jr Wisper Wireless Solutions, LLC 320-256-WISP (9477) 320-256-9478 Fax -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Rohrbacher Sent: Friday, November 24, 2006 11:16 AM To: WISPA General List Subject: Re: [WISPA] 900 antenna question Mike Bushard, Jr wrote: Why dont you just get these? MT-243015/NH - 902-928 MHz 11dBi 180° Horizontal Pol. Who do you buy them from and how much? It's made by MTI, the same brand as the Teltronics. We run MTI 120's for all of our Horizontal towers (17 of these antennas deployed total right now). The mount scared me a little though, it is a Cast V (Same style as the Orthogon Radios) and then you secure it with hose clamps. It seems to work well thought. I think the down tilt gauge is kinda cheesy, so we bought a incli-meter from the local tower crew. Mike Bushard, Jr Wisper Wireless Solutions, LLC 320-256-WISP (9477) 320-256-9478 Fax -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Rohrbacher Sent: Wednesday, November 22, 2006 10:24 PM To: WISPA General List Subject: Re: [WISPA] 900 antenna question I don't know but until now the best 180* antenna I can find is the 8dbi from superpass (which I installed today and were crap). This one looks nice. Brian Travis Johnson wrote: Hi, Looks to me like it's about 5db off at 180 degrees. What's the price on this antenna? Travis Microserv Brian Rohrbacher wrote: http://www.teletronics.com/15-404.pdf What would the gain at 180* be on this antenna. I want to make sure I am reading it right. Brian -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] wall mount racks
Thanks, Jory. Mario Jory Privett wrote: Here is the closest I can get. http://www.icintracom.com/america/wall-mount-cabinet-p-5047.html?osCsid=9e471ca66006924051cb4861fca4da73 Cost about $275 Jory Privett WCCS - Original Message - From: Mario Pommier [EMAIL PROTECTED] To: WISPA General List wireless@wispa.org Sent: Wednesday, November 22, 2006 10:26 AM Subject: [WISPA] wall mount racks Does anyone have access to reasonably priced wall mount racks like this one? ~36x24x24. I've found them on Ebay before for ~$350 but no luck now. Thanks a lot. Mario -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
RE: [WISPA] wall mount racks
check with Grainger. It's where I've bought them. Around $350 is about right. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mario Pommier Sent: Friday, November 24, 2006 1:08 PM To: WISPA General List Subject: Re: [WISPA] wall mount racks Thanks, Jory. Mario Jory Privett wrote: Here is the closest I can get. http://www.icintracom.com/america/wall-mount-cabinet-p-5047.html?osCsi d=9e471ca66006924051cb4861fca4da73 Cost about $275 Jory Privett WCCS - Original Message - From: Mario Pommier [EMAIL PROTECTED] To: WISPA General List wireless@wispa.org Sent: Wednesday, November 22, 2006 10:26 AM Subject: [WISPA] wall mount racks Does anyone have access to reasonably priced wall mount racks like this one? ~36x24x24. I've found them on Ebay before for ~$350 but no luck now. Thanks a lot. Mario -- -- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
RE: [WISPA] wall mount racks
Depending on the client's pocket book and need - we have bought several wall mount racks here: http://www.gruber.com/GruberInd/pg.asp?FeatureID=81 Mac Dearman -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rick Smith Sent: Friday, November 24, 2006 12:16 PM To: 'WISPA General List' Subject: RE: [WISPA] wall mount racks check with Grainger. It's where I've bought them. Around $350 is about right. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mario Pommier Sent: Friday, November 24, 2006 1:08 PM To: WISPA General List Subject: Re: [WISPA] wall mount racks Thanks, Jory. Mario Jory Privett wrote: Here is the closest I can get. http://www.icintracom.com/america/wall-mount-cabinet-p-5047.html?osCsi d=9e471ca66006924051cb4861fca4da73 Cost about $275 Jory Privett WCCS - Original Message - From: Mario Pommier [EMAIL PROTECTED] To: WISPA General List wireless@wispa.org Sent: Wednesday, November 22, 2006 10:26 AM Subject: [WISPA] wall mount racks Does anyone have access to reasonably priced wall mount racks like this one? ~36x24x24. I've found them on Ebay before for ~$350 but no luck now. Thanks a lot. Mario -- -- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
RE: [WISPA] External battery on UPS
Just out of interest, does anyone run batteries (via fuses) directly into cat5 instead of converting back to AC just to run standard 48v PoE up the tower? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ron Wallace Sent: 17 November 2006 21:19 To: WISPA General List Subject: Re: [WISPA] External battery on UPS Thanks Brian -Original Message- From: Brian Rohrbacher [mailto:[EMAIL PROTECTED] Sent: Wednesday, November 15, 2006 09:41 PM To: 'WISPA General List' Subject: Re: [WISPA] External battery on UPS I'm pasting Gino's link to the right thread. Then I can search me email in a year and find the correct thread Connectors: http://www.partsexpress.com/pe/showdetl.cfm?Partnumber=263-110 Batteries: http://www.donrowe.com/batteries/8a31dt.html Brian Rohrbacher wrote: Can we get some links to these batteries that work well? Gino, Got a link to the DC block connectors you were talking about? Brian Travis Johnson wrote: Hi, We run two 4 gauge power wires out the front of the case, connect the positive to a 60A fuse, and then to the batteries. We are using AGM type (same thing used in UPS systems) big batteries (a little bigger than a car battery, but each battery is 110 pounds). We wire them in series (to get 24VDC). This setup has only been installed for 12-18 months at various locations, so I don't have an estimate on battery life. Travis Microserv Brian Rohrbacher wrote: You got any pics of this or similar Travisanyone? Travis, What APC do you use and what batteries are added? What do you draw and what is th run time? Do you know how many times the one with the most cycles has been drawn down? How long do the batteries last? Brian Travis Johnson wrote: You can't use just 1 battery. The APC units want to see 24vdc, so you need two batteries running in series. It works perfectly, as I have 20+ remote locations running off two gel type batteries. Make sure you install some type of a fuse on the positive side of the connection. Travis Microserv Mark Nash - Lists wrote: I believe I remember some discussion on this list on connecting an external battery to an APC UPS. I'm in the middle of doing it right now and am having problems. The UPS just beep continuously with the 'bad battery' light on. I'm using a Lifeline deep cycle battery. Any ideas? Mark Nash Network Engineer UnwiredOnline.Net 350 Holly Street Junction City, OR 97448 http://www.uwol.net 541-998- 541-998-5599 fax -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.409 / Virus Database: 268.14.6/536 - Release Date: 16/11/2006 -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.409 / Virus Database: 268.14.14/548 - Release Date: 23/11/2006 -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] External battery on UPS
Yes, Paul. What are you looking for? Mario Paul Hendry wrote: Just out of interest, does anyone run batteries (via fuses) directly into cat5 instead of converting back to AC just to run standard 48v PoE up the tower? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ron Wallace Sent: 17 November 2006 21:19 To: WISPA General List Subject: Re: [WISPA] External battery on UPS Thanks Brian -Original Message- From: Brian Rohrbacher [mailto:[EMAIL PROTECTED] Sent: Wednesday, November 15, 2006 09:41 PM To: 'WISPA General List' Subject: Re: [WISPA] External battery on UPS I'm pasting Gino's link to the right thread. Then I can search me email in a year and find the correct thread Connectors: http://www.partsexpress.com/pe/showdetl.cfm?Partnumber=263-110 Batteries: http://www.donrowe.com/batteries/8a31dt.html Brian Rohrbacher wrote: Can we get some links to these batteries that work well? Gino, Got a link to the DC block connectors you were talking about? Brian Travis Johnson wrote: Hi, We run two 4 gauge power wires out the front of the case, connect the positive to a 60A fuse, and then to the batteries. We are using AGM type (same thing used in UPS systems) big batteries (a little bigger than a car battery, but each battery is 110 pounds). We wire them in series (to get 24VDC). This setup has only been installed for 12-18 months at various locations, so I don't have an estimate on battery life. Travis Microserv Brian Rohrbacher wrote: You got any pics of this or similar Travisanyone? Travis, What APC do you use and what batteries are added? What do you draw and what is th run time? Do you know how many times the one with the most cycles has been drawn down? How long do the batteries last? Brian Travis Johnson wrote: You can't use just 1 battery. The APC units want to see 24vdc, so you need two batteries running in series. It works perfectly, as I have 20+ remote locations running off two gel type batteries. Make sure you install some type of a fuse on the positive side of the connection. Travis Microserv Mark Nash - Lists wrote: I believe I remember some discussion on this list on connecting an external battery to an APC UPS. I'm in the middle of doing it right now and am having problems. The UPS just beep continuously with the 'bad battery' light on. I'm using a Lifeline deep cycle battery. Any ideas? Mark Nash Network Engineer UnwiredOnline.Net 350 Holly Street Junction City, OR 97448 http://www.uwol.net 541-998- 541-998-5599 fax -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
